Model: U8266-2

Round Self-locking Nut

Properties:

Thread Pitch Diameters
+2.1209/+2.1260 inches
Thread Direction
Right-hand
Locking Feature
Prevailing torque with nonmetallic insert
Small End Diameter
2.531 inches
Drive Point Depth
0.125 inches
Nut Style
Round
Nut Diameter
Between 2.954 inches and 2.969 inches
Nut Thickness
Between 0.546 inches and 0.578 inches
Drive Point Width
Between 0.230 inches and 0.260 inches
Undercut Thickness
0.141 inches
Drive Point Quantity
4
Thread Series
Uns
Thready Qty Per Inch (tpi)
18
Thread Size
2.157 inches
Material
Fiber board locking insert
Material
Steel nut
NSN
5310-01-164-4492
Part Number
U8266-2
Description
Nut,self-locking,round
CAGE
99551

A nut, circular in shape, which may have wrenching facilities such as flats, holes, protusions, slots or splines in or on the periphery or in the face opposite the bearing surface. An integral feature is incorporated for locking on the threads of a mating member. Do not use if a more specific item name applies. Excludes collar, pin-rivet, threaded; insert, screw thread; nut (1), sleeve; nut(1), plain, cap; and turnbuckle body.

Part U8266-2 NSN 5310-01-164-4492

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15895
FIIG:
A021A0
Concept No.:
1
App. Key:
CA
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.4000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7318160000
  • SITC: 69421
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Nuts of iron or steel

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